The "vpu_0" or "vpu_1" clock trees should not be updated while the clock is running. Enforce this by setting CLK_SET_RATE_GATE on the "vpu_0" and "vpu_1" gates. This makes the CCF switch to the "vpu_1" tree when "vpu_0" is currently active and vice versa, which is exactly what the vendor driver does when updating the frequency of the VPU clock. Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Signed-off-by: Jerome Brunet <jbrunet@baylibre.com> Link: https://lore.kernel.org/r/20200417184127.1319871-5-martin.blumenstingl@googlemail.com
Linux kernel ============ There are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. Please read Documentation/admin-guide/README.rst first. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. The formatted documentation can also be read online at: https://www.kernel.org/doc/html/latest/ There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.
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